." and our own john dickerson. election 2012 is in the bookes, but the story is just beginning. and this is "face the nation." captioning sponsored by cbs from cbs news in washington, "face the nation" with bob schieffer. >> schieffer: good morning, again. on this veteran's day. and we begin with senator graham who is in clemson, south carolina. senator, thank you for coming. you are on the armed services committee, of course, so i want to start out with this out-of-the blue thunderbolt that hit washington friday concerning david petraeus the c.i.a. director. he resigned, saying he had exercised bad judgment and had an affair. cbs news and several other agencies have now confirmed that the f.b.i. got on to this after a third woman told them she had received threatening e-mails from the woman he has reported to have had the affair with. so i guess i would just simply start, do you have any additional information to any of this? >> no, not really. i was just as surprised and from a national point of view, general petraeus turned around iraq. we were losing in iraq when he took ov